<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<!--内嵌标签:iframe
src:网络资源的路径
-->

<!--<iframe src="http://www.baidu.com" width="500px" height="500px"></iframe>-->
<!--target 目标-->
<a href="http://www.baidu.com" target="_baidu">百度一下</a>
<a href="http://www.so.com" target="_so">360搜搜</a> <br>
<iframe src="" width="48%" height="500px" name="_baidu" ></iframe>
<iframe src="" width="48%" height="500px" name="_so"></iframe>

</body>
</html>